參數(shù)資料
型號(hào): EDS5104ABTA
廠商: Elpida Memory, Inc.
英文描述: 512M bits SDRAM
中文描述: 512M比特內(nèi)存
文件頁(yè)數(shù): 47/52頁(yè)
文件大小: 564K
代理商: EDS5104ABTA
EDS5104ABTA, EDS5108ABTA, EDS5116ABTA
Preliminary Data Sheet E0250E10 (Ver. 1.0)
47
Self Refresh Cycle
CLK
CKE
/CS
/RAS
/CAS
/WE
BS
Address
DQM
DQ (input)
DQ (output)
Precharge command
Self refresh entry
Auto
Self refresh exit
CKE Low
A10=1
RC
t
RP
t
Self refresh cycle
/RAS-/CAS delay = 3
CL = 3
BL = 4
=
VIH or VIL
High-Z
Next
RC
t
Next
lSREX
Self refresh entry
Clock Suspend Mode
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
R:a
C:a
R:b
a
a+1 a+2
a+3
b
b+1 b+2
R:a
C:a R:b
C:b
a
a+1 a+2
b
b+1 b+2 b+3
C:b
Bank0
Active clock
Active clock
Bank0
Bank3
Reastart
Read suspend
Bank0
Bank3
Earliest Bank3
Bank0
Bank0
Active clock
Active clock
Bank3
Writstart
Write suspend
Bank3
Bank0
Earliest Bank3
b+3
CKE
/RAS
/CS
/CAS
/WE
Address
DQM
CLK
BS
CKE
/RAS
/CS
/CAS
/WE
BS
Address
DQM
a+3
High-Z
High-Z
tHI
tSI
tSI
Read cycle
/RAS-/CAS delay = 2
/CAS latency = 2
Burst length = 4
= VIH or VIL
Write cycle
/RAS-/CAS delay = 2
/CAS latency = 2
Burst length = 4
= VIH or VIL
DQ (output)
DQ (input)
DQ (output)
DQ (input)
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